. >>> now to the crisis in syria. new reports that the white house and its allies are weighing military options to secure syria's chemical and biological weapons. president obama and secretary of state hillary clinton both issued warnings to syria monday after intelligence picked up signs the assad regime might be making preparations of some kind with its large stockpile of chemical weapons. >> i want to make it absolutely clear to assad and those under his command the world is watching. the use of chemical weapons is and would be totally unacceptable. and if you make the tragic mistake of using these weapons, there will be consequences and you will be held accountable. >> meanwhile, "the new york times" reports russia appears to be weakening in its steadfast support for president assad. the senior turkish official says moscow agreed to a new approach that would seek ways to persuade assad to relinquish power. >>> kate middleton remains in a london hospital today as the world learns she is expecting. there is a sign o